To enter your SEP IRA contributions,
- Inside your Federal return, type "SEP accounts" (without quotes) in the search box
- Choose the "Jump to sep accounts" link in the search results
- This will take you to the Self-Employed Retirement Plans screen. Proceed through the screens to enter your info.
401k contributions are generally pulled from your W-2 using the code "D" in Box 12 of your W-2.